ETHERNET

Description

The EVK1100 provides one integrated Media Access Control (MAC) Interface to interface an external PHY National Semiconductor DP83848I. The EVK1100 Ethernet interface has a RJ45 Ethernet connector.

The documentation to the external PHY is available on National Semiconductors web site. Please refer to application notes part for more details and advise regarding specific layout for this component.

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Pinout

The MAC Interface is connected with external PHY following RMII specification.
The MAC Interface follows the pinout:

PHY Interface pin number GPIO Name Alternate function used
2 PB 01 TXEN
3 PB 02 TX0
4 PB 03 TX1
43 PB 05 RX0
44 PB 06 RX1
41 PB 07 RXER
31 PB 08 MDC
30 PB 09 MDIO
40 PB 15 RXDV
7 PA 24 EXTINT_3
34 PB 00 TXCLK

see below the hardware schematic :

RMII Connection

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